81. How long can people live in a spaceship? (A K2S Question)

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People probably could live indefinitely on spaceships, but special care would have to be taken to make sure they get exercise, eat properly, and stay mentally alert and not get depressed or claustrophobic. One big problem with prolonged weightlessness is osteoporosis, a condition where bones become brittle and weak. Also, muscles atrophy. Calcium supplements and weight-bearing impact exercise are required to combat these problems.

Answer provided by Jon H. Brown


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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